Erynnis propertius

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Erynnis propertius
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Hesperiidae
Genus: Erynnis
E. propertius
Binomial name
Erynnis propertius
(Scudder & Burgess, 1870)
  • Nisoniades propertius Scudder & Burgess, 1870
  • Nisoniades tibullus Scudder & Burgess, 1870
  • Thanaos propertius Lintner, 1881

Erynnis propertius, commonly known as Propertius duskywing, is a species of butterfly in the family Hesperiidae. It is found in along the west coast of North America from southern British Columbia south along the Pacific Slope to Baja California Norte. It is one of the most commonly seen skippers in California.[1]

The wingspan is 35-45 mm. Its wings are mottled brown, the fore wings with white spotting. While other duskywings like the funereal duskywing and the mournful duskywing have white fringe on their hind wings, the Propertius duskywing has brown fringe.[1][2]

The larvae have a light green body and brown head. They feed on Quercus species. Adults feed on a wide variety of flower nectar.[1][2]


  1. ^ a b c Will, Kip; Gross, Joyce; Rubinoff, Daniel; Powell, Jerry A. (2020). Field Guide to California Insects. Oakland, California: University of California Press. p. 402. ISBN 9780520288744.
  2. ^ a b Shapiro, Arthur. "Erynnis propertius". Art Shapiro's Butterfly Site.

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